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2. HORIZONTAL MODE
2-15
To adjust TVG:
1. Press the MENU key to open the menu.
2. Press ▲ to choose MENU and then press ◄ or ► to choose HORZ.
TVG LEVEL 4.0
TVG DISTANCE 4.0
RES. COLOR LOG
CLUTTER 0
TARGET KEY ECHO
: SELECT
: CHANGE MENU: END
MENU
COM1 VERT ES PRESET SYSCOM2 HORZ
LOCK MODE AUTO
AUTO TILT OFF
HORZ menu
3. Press ▲ or ▼ to choose TVG DISTANCE and press ►. The following dialog box
appears.
4.0
200m
TVG DISTANCE
Hi
Lo
4. Press ◄ or ► to adjust TVG distance between 3.0 and 5.0 (130-320 m). As a general
rule, use a higher setting for low-frequency transducer; a lower setting for high frequency
transducer. The larger the figure the greater the distance at which TVG works. When you
open the TVG dialog box the TVG line changes from solid to dashed and a solid line
denotes current TVG setting.
TVG Distance
Setting
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
. . . .
10.0
Meters 3 8 20 40 60 100 130 160 200 250 320
. . . .
1000
Feet 10 30 70 130 210 330 410 520 660 820 1040
3280
Passi/braza 2 5 10 20 40 60 80 100 120 150 180
600
Hiro 2 5 10 20 40 60 80 100 130 170 210
. . . .
660